How to prevent DUPLICATE INSERT
One method to prevent the insertion of duplicate values is to use MERGE. MERGE is use for INSERT, DELETE, and UPDATE. Make sure all of the columns are use as target = source to ensure the INSERT is a duplicate or not.
One method to prevent the insertion of duplicate values is to use MERGE. MERGE is use for INSERT, DELETE, and UPDATE. Make sure all of the columns are use as target = source to ensure the INSERT is a duplicate or not.